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K2Nb3Co(PO4)6

Alexandria ALEX

Alex-ID: agm010986102 · Space group: R3 (#146)

Basic Information

Formula
K2Nb3Co(PO4)6
Alex-ID
agm010986102
Elements
5
Sites
36
Space group
R3 (#146)
Crystal system
trigonal
Volume
519.01
ų
Cell a
9.3581
Å
Cell b
9.3581
Å
Cell c
9.3581
Å
α angle
55.50
°
β angle
55.50
°
γ angle
55.50
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Nb3Co(PO4)6
K
2.00 · 5.6%
Nb
3.00 · 8.3%
Co
1.00 · 2.8%
P
6.00 · 16.7%
O
24.00 · 66.7%

Energy & Stability

Energy above hull
0.0110
eV/atom
Formation energy
-2.7564
eV/atom
Corrected total energy
-290.2255
eV
Raw total energy
-271.4966
eV

Electronic Structure

Indirect band gap
0.0010
eV
Direct band gap
0.0322
eV
DOS at Fermi level
7.7104
Total magnetisation
1.8928
μB

Additional Information

Prototype ID

AB2C3D6E24_0_spg146

Decomposition

KCo(PO3)3 KNb(PO4)2 K2CoP2O7 NbPO5 Co2P

Computed at

2025-02-02 19:02:50

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm010986102).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm010986102
data_agm010986102
_cell_length_a     9.35814
_cell_length_b     9.35814
_cell_length_c     9.35814
_cell_angle_alpha  55.50436
_cell_angle_beta   55.50436
_cell_angle_gamma  55.50436
_cell_volume       519.01195
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  K1 K 0.99605 0.99605 0.99605 1.00000
  K2 K 0.49915 0.49915 0.49915 1.00000
  Nb1 Nb 0.64862 0.64862 0.64862 1.00000
  Nb2 Nb 0.35140 0.35140 0.35140 1.00000
  Nb3 Nb 0.14867 0.14867 0.14867 1.00000
  Co1 Co 0.84991 0.84991 0.84991 1.00000
  P1 P 0.24900 0.96267 0.53644 1.00000
  P2 P 0.03604 0.47065 0.74930 1.00000
  P3 P 0.47065 0.74930 0.03604 1.00000
  P4 P 0.53644 0.24900 0.96267 1.00000
  P5 P 0.96267 0.53644 0.24900 1.00000
  P6 P 0.74930 0.03604 0.47065 1.00000
  O1 O 0.24896 0.98779 0.35656 1.00000
  O2 O 0.07375 0.94528 0.70031 1.00000
  O3 O 0.30168 0.93350 0.05603 1.00000
  O4 O 0.12965 0.49768 0.28134 1.00000
  O5 O 0.42742 0.79042 0.56841 1.00000
  O6 O 0.21127 0.40736 0.58638 1.00000
  O7 O 0.49310 0.73509 0.86473 1.00000
  O8 O 0.73560 0.02653 0.64319 1.00000
  O9 O 0.64319 0.73560 0.02653 1.00000
  O10 O 0.05603 0.30168 0.93350 1.00000
  O11 O 0.73509 0.86473 0.49310 1.00000
  O12 O 0.40736 0.58638 0.21127 1.00000
  O13 O 0.56841 0.42742 0.79042 1.00000
  O14 O 0.28134 0.12965 0.49768 1.00000
  O15 O 0.94528 0.70031 0.07375 1.00000
  O16 O 0.35656 0.24896 0.98779 1.00000
  O17 O 0.49768 0.28134 0.12965 1.00000
  O18 O 0.79042 0.56841 0.42742 1.00000
  O19 O 0.58638 0.21127 0.40736 1.00000
  O20 O 0.86473 0.49310 0.73509 1.00000
  O21 O 0.02653 0.64319 0.73560 1.00000
  O22 O 0.98779 0.35656 0.24896 1.00000
  O23 O 0.70031 0.07375 0.94528 1.00000
  O24 O 0.93350 0.05603 0.30168 1.00000
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